JP2008217218A - Accident information acquisition system - Google Patents

Accident information acquisition system Download PDF

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JP2008217218A
JP2008217218A JP2007051483A JP2007051483A JP2008217218A JP 2008217218 A JP2008217218 A JP 2008217218A JP 2007051483 A JP2007051483 A JP 2007051483A JP 2007051483 A JP2007051483 A JP 2007051483A JP 2008217218 A JP2008217218 A JP 2008217218A
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accident
accident information
vehicle
information acquisition
information recording
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Maiko Sugie
舞子 杉江
Mutsumasa Koujiya
睦雅 糀谷
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Denso Corp
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Denso Corp
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Abstract

<P>PROBLEM TO BE SOLVED: To sufficient perform accident information acquisition. <P>SOLUTION: This accident information acquisition system 1 has: an accident detection part 3; an accident information recording device 4 equipped in a vehicle, recording accident information of one'own vehicle; and an accident information acquisition device 8 provided in a center 7. The accident information recording device 4 notifies the accident information acquisition device 8 about the accident information recorded by itself when the accident detection device 3 of the own vehicle detects a vehicle accident, and notifies the accident information recording device 4 equipped in a peripheral vehicle about a work request. The accident information recording device 4 of the peripheral device starts work of the accident information recording device 4 of the own vehicle when receiving the work request, and allows communication with the accident information acquisition device 8. The accident information acquisition device 8 communicates with the accident information recording device of the peripheral vehicle receiving the work request notification to record the accident information recorded by the accident information recording device 4 of the peripheral vehicle. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

車両事故の事故原因検証のために車両事故情報を取得する事故情報取得システムに関する。   The present invention relates to an accident information acquisition system for acquiring vehicle accident information for verification of the cause of a vehicle accident.

近年、車両事故情報を記録あるいは取得する技術として、車両事故発生を衝撃検知センサなどの事故検出手段により検知し、この事故発生検知発生数十秒前の周辺映像（静止画像）を記録するドライブレコーダーが知られている。このドライブレコーダーでは、固定された撮影機器により一方向からの画像情報しか得られず、事故原因検証の際に重要となる信号の状態などが撮影範囲に含まれているとは限らない。   In recent years, as a technology for recording or acquiring vehicle accident information, a drive recorder that detects the occurrence of a vehicle accident by an accident detection means such as an impact detection sensor and records a peripheral video (still image) several tens of seconds before the occurrence of the accident occurrence is detected. It has been known. In this drive recorder, image information from only one direction can be obtained by a fixed photographing device, and the state of a signal, which is important when verifying the cause of an accident, is not always included in the photographing range.

そこで、周辺記録装置から、事故発生時の周辺情報を取得するシステムが提案されている（例えば特許文献１）。このシステムにおいては、事故車両から、所定距離範囲内にある周辺車両（あるいは路側）の記録装置に対して画像データ送信要求を出し、この送信要求を受けたこれら周辺の記録装置は、画像データを事故車両もしくはサーバーに送信するようにしている。
特開２００６−２９３５５８号公報 Therefore, a system for acquiring peripheral information at the time of an accident from a peripheral recording device has been proposed (for example, Patent Document 1). In this system, an accident vehicle sends an image data transmission request to a recording device of a surrounding vehicle (or roadside) within a predetermined distance range. Send to accident vehicle or server.
JP 2006-293558 A

しかし、上記システムでは、事故車両自体が記録した事故情報を外部に送信しないため、事故の程度によっては、事故車両自体の事故情報記録データを取得できない可能性もあった。また、事故車両が周辺車両との距離関係を算出し、所定距離範囲内にある周辺車両と通信して、当該周辺車両から事故情報を得るようにしている。この場合、事故車両の事故程度によっては、周辺車両との通信で距離を測定したり、事故情報をもらう周辺車両を決定したりする制御が困難になることもあり、また、事故車両が、周辺車両からの事故情報を保存できないこともあり、総じて事故車両における事故情報の取得のための制御負担が大きく、事故情報収集が十分でない問題があった。また、事故車両から周辺車両への通信範囲が限られ、これも事故情報取得が十分でないという要因になっている。   However, in the above system, the accident information recorded by the accident vehicle itself is not transmitted to the outside, and therefore there is a possibility that the accident information record data of the accident vehicle itself cannot be acquired depending on the degree of the accident. Further, the accident vehicle calculates the distance relationship with the surrounding vehicle, communicates with the surrounding vehicle within the predetermined distance range, and obtains accident information from the surrounding vehicle. In this case, depending on the accident level of the accident vehicle, it may be difficult to control the distance measurement by communication with the surrounding vehicle or to determine the surrounding vehicle to get the accident information. Accident information from the vehicle may not be stored, and the control burden for acquiring the accident information in the accident vehicle is generally large, and there is a problem that the accident information collection is not sufficient. In addition, the communication range from the accident vehicle to the surrounding vehicle is limited, which is also a factor that the accident information acquisition is not sufficient.

本発明は上記事情に鑑みてなされたものであり、その目的は、事故情報取得を十分に行うことができる事故情報取得システムを提供するにある。   This invention is made | formed in view of the said situation, The objective is to provide the accident information acquisition system which can fully perform accident information acquisition.

請求項１の発明においては、事故検出手段が車両事故を検出すると、事故車両の事故情報記録手段が記録した事故情報の記録データを車両以外の施設に設けられた事故情報取得手段に自動的に通知するから、事故車両自体の事故情報記録データの消失を防止できる。そして、当該事故車両の事故情報記録手段は周辺車両が備えた事故情報記録手段に対しては作動要求を通知する。この通知を受けた周辺車両は事故情報記録動作を開始して迅速に事故情報記録を行うことになる。そして、前記事故情報取得手段は、前記作動要求通知を受けた周辺車両の事故情報記録手段と通信して、該周辺車両の前記事故情報記録手段から事故情報記録データを取得することができる。この結果、事故車両及び周辺車両の事故情報を、車両以外の施設例えばセンタに設けられた事故情報取得手段で一括して取得でき、事故情報の収集及び取得を十分に行うことができ、事故車両の事故情報記録手段の制御負担を軽くすることができる。   In the invention of claim 1, when the accident detection means detects a vehicle accident, the accident information recording means recorded in the facility other than the vehicle is automatically recorded in the accident information recording means recorded by the accident information recording means of the accident vehicle. Since the notification is made, the loss of the accident information record data of the accident vehicle itself can be prevented. And the accident information recording means of the said accident vehicle notifies an operation request | requirement with respect to the accident information recording means with which the surrounding vehicle was equipped. Upon receiving this notification, the surrounding vehicle starts the accident information recording operation and quickly records the accident information. And the accident information acquisition means can communicate with the accident information recording means of the surrounding vehicle that has received the operation request notification, and can acquire accident information recording data from the accident information recording means of the surrounding vehicle. As a result, the accident information of the accident vehicle and surrounding vehicles can be collectively acquired by an accident information acquisition means provided in a facility other than the vehicle, for example, the center, and the accident information can be sufficiently collected and acquired. It is possible to reduce the control burden of the accident information recording means.

また、請求項２の発明においては、前記作動要求を受けた周辺車両の事故情報記録手段が、記録した事故情報を前記事故情報取得手段に通知する前に事故情報内容判定のための事故関連情報を該事故情報取得手段に通知し、該事故情報取得手段が、前記事故関連情報から、当該事故情報記録手段の事故情報の必要性の有無を判定し、必要有りと判定されたときに、当該周辺車両の事故情報記録手段の事故情報を取得する。これにより、事故原因検証に必要な事故情報のみを取得することができる。   According to a second aspect of the present invention, the accident related information for determining the contents of the accident information before the accident information recording means of the surrounding vehicle that has received the operation request notifies the accident information acquisition means of the recorded accident information. To the accident information acquisition means, and the accident information acquisition means determines whether or not the accident information recording means needs the accident information from the accident related information. Accident information of the accident information recording means of the surrounding vehicles is acquired. Thereby, only the accident information required for accident cause verification can be acquired.

また、請求項３においては、前記事故情報取得手段が、前記事故車両からの通信エリア外に他の車両があるか否かを判定し、該エリア外車両が有る場合には、該エリア外車両の事故情報記録手段の事故情報を取得するから、事故車両からの通信エリア外の広い範囲において、事故情報を取得することが可能で、事故記憶情報の取得量を増加でき、事故原因検証にさらに有効である。   According to a third aspect of the present invention, the accident information acquisition means determines whether there is another vehicle outside the communication area from the accident vehicle, and when there is a vehicle outside the area, the vehicle outside the area Because accident information is acquired from the accident information recording means, it is possible to acquire accident information in a wide area outside the communication area from the accident vehicle, increase the amount of accident memory information acquisition, and further verify the cause of the accident It is valid.

この場合、前記事故情報取得手段は、前記事故車両通信エリア外に他の車両があるか否かを判定し、該エリア外車両が有る場合には、該エリア外車両の事故情報記録手段から事故関連情報を取得し、該取得した事故関連情報から、当該事故情報記録手段の事故情報の必要性の有無を判定し、必要性有りが判定されたときに、当該事故情報記録手段の事故情報を取得するようにしても良く（請求項４の発明）、このようにすると、エリア外車両の事故情報記録手段から、事故原因検証に必要な事故情報のみを取得することができる。   In this case, the accident information acquisition means determines whether there is another vehicle outside the accident vehicle communication area, and if there is a vehicle outside the area, the accident information recording means of the vehicle outside the area Relevant information is acquired, and from the acquired accident related information, the necessity of the accident information of the accident information recording means is determined. When the necessity is determined, the accident information of the accident information recording means is In this case, only accident information necessary for accident cause verification can be acquired from the accident information recording means of the vehicle outside the area.

また、請求項５の発明においては、前記事故情報記録手段は撮像装置を含み、事故情報には、撮像情報が含まれているから、事故情報として、事故原因検証に極めて有効な撮像情報を得ることができる。
また、請求項６の発明においては、前記事故関連情報には、自車位置情報、撮像方向、自車走行方向などが含まれているから、事故情報の有効性を判定するための事故関連情報として、最適の情報を得ることができる。
また、請求項７の発明においては、前記事故情報記録手段が、車両以外に路側設備にも備えられているから、事故情報量の増加を図ることができる。 In the invention of claim 5, since the accident information recording means includes an imaging device, and the accident information includes imaging information, imaging information that is extremely effective for accident cause verification is obtained as accident information. be able to.
In the invention of claim 6, since the accident related information includes own vehicle position information, imaging direction, own vehicle traveling direction, etc., the accident related information for determining the validity of the accident information. As a result, optimum information can be obtained.
In the invention of claim 7, since the accident information recording means is provided not only in the vehicle but also in the roadside equipment, the amount of accident information can be increased.

以下、本発明の一実施例について説明する。本発明に係る事故情報取得システム１は、図１に示すように、車両２ａ〜２ｃ（図２参照）に搭載された事故検出手段に相当する事故検出部３と、同じく車両２ａ〜２ｃに搭載された事故情報記録手段としての事故情報記録装置４と、例えば信号機などの路側設備５に備えられた事故情報記録装置６と、車両以外の設備例えばサーバーなどのセンタ７に設けられた事故情報取得手段たる事故情報取得装置８とを備えて構成されている。
前記車両２ａは、便宜上事故車両を示し、車両２ｂは周辺車両を示し、車両２ｃは、事故車両２ａとの通信エリア外にあるエリア外車両（以下２次周辺車両という）を示している。 Hereinafter, an embodiment of the present invention will be described. As shown in FIG. 1, the accident information acquisition system 1 according to the present invention is mounted on an accident detection unit 3 corresponding to an accident detection means mounted on vehicles 2 a to 2 c (see FIG. 2) and also on vehicles 2 a to 2 c. Accident information recording device 4 as an accident information recording means, an accident information recording device 6 provided in a roadside facility 5 such as a traffic light, and an accident information acquisition provided in a center 7 such as a facility other than a vehicle such as a server It comprises an accident information acquisition device 8 as a means.
The vehicle 2a indicates an accident vehicle for convenience, the vehicle 2b indicates a surrounding vehicle, and the vehicle 2c indicates an out-of-area vehicle (hereinafter referred to as a secondary surrounding vehicle) outside the communication area with the accident vehicle 2a.

前記事故検出部３は、車両に車両事故が発生したことを検出する。具体的には、例えば車両のボディに圧力（歪み）センサを設けておき、圧力センサが検知するボディに加えられた圧力が一定以上の値となっていることにより事故が発生したことを検出する。また、車両に備えられるＡＢＳ（Anti-lock Brake System）の動作を検知できるようにしておき、車両事故の検出にＡＢＳの動作を用いることとしてもよい。同様に車両に備えられるエアバッグの動作や、加速度センサ又は転倒センサ（ジャイロセンサ）により取得される情報等に基づいて、車両事故を検出することとしてもよい。   The accident detection unit 3 detects that a vehicle accident has occurred in the vehicle. Specifically, for example, a pressure (strain) sensor is provided in the body of the vehicle, and the occurrence of an accident is detected when the pressure applied to the body detected by the pressure sensor is a value greater than a certain value. . Alternatively, the operation of an ABS (Anti-lock Brake System) provided in the vehicle may be detected, and the operation of the ABS may be used to detect a vehicle accident. Similarly, a vehicle accident may be detected based on the operation of an airbag provided in the vehicle, information acquired by an acceleration sensor or a fall sensor (gyro sensor), and the like.

車両２ａ〜２ｃに搭載された事故情報記録装置４は、制御部９と、通信部１０と、撮像装置１１と、車両情報取得部１２とを備えて構成されている。制御部９は、記録動作全般を制御するものであり、ＣＰＵや、ＲＡＭ、ＲＯＭを有して構成されている。通信部１０はアドホックネットワーク（ブルートゥース、ＤＳＲＣ、赤外線、携帯電話などの通信網）を使用して他車及びセンタ７の通信部（後述する）と通信可能に構成されている。   The accident information recording device 4 mounted on the vehicles 2 a to 2 c includes a control unit 9, a communication unit 10, an imaging device 11, and a vehicle information acquisition unit 12. The control unit 9 controls the entire recording operation and includes a CPU, a RAM, and a ROM. The communication unit 10 is configured to be able to communicate with a communication unit (described later) of another vehicle and the center 7 using an ad hoc network (communication network such as Bluetooth, DSRC, infrared ray, mobile phone, etc.).

前記撮像装置１１は、カメラなどの撮像部１１ａと、メモリなどの記録部１１ｂとを有して構成されており、撮像部１１ａにて撮像した画像や映像を記録部１１ｂに記録する。
前記車両情報取得部１２は、ＧＰＳ受信機などを利用して自車両位置情報を得ると共に、車両の走行方向、撮像部１１ａの撮像方向、時刻情報、自車ＩＤ情報などの各種情報を取得可能に構成されている。これらの車両情報は、事故関連情報に相当する。 The imaging device 11 includes an imaging unit 11a such as a camera and a recording unit 11b such as a memory, and records an image or video captured by the imaging unit 11a in the recording unit 11b.
The vehicle information acquisition unit 12 obtains own vehicle position information using a GPS receiver or the like, and can acquire various information such as the traveling direction of the vehicle, the imaging direction of the imaging unit 11a, time information, and own vehicle ID information. It is configured. Such vehicle information corresponds to accident-related information.

前記路側設備５に備えられた事故情報記録装置６は、前記事故情報記録装置４とほぼ同様の構成であり、制御部１３、通信部１４、撮像装置１５を有して構成されている。但し、車両情報取得部１２は備えていない。前記撮像装置１５は撮像部１５ａと記録部１５ｂとを有する。該事故情報記録装置６においては、制御部１３が有するメモリに、事故関連情報として設備固有情報（路側設備５の位置情報や撮像方向情報）などを記録している。   The accident information recording device 6 provided in the roadside equipment 5 has substantially the same configuration as the accident information recording device 4, and includes a control unit 13, a communication unit 14, and an imaging device 15. However, the vehicle information acquisition unit 12 is not provided. The imaging device 15 includes an imaging unit 15a and a recording unit 15b. In the accident information recording device 6, equipment specific information (position information of the roadside equipment 5 and imaging direction information) and the like are recorded as accident related information in the memory of the control unit 13.

センタ７に備えられた事故情報取得装置８は、制御部１６と、通信部１７と、記憶部１８とを有して構成されている。制御部１６は、事故情報取得動作全般を制御するものであり、ＣＰＵや、ＲＡＭ、ＲＯＭを有して構成されている。この制御部１６は、この他、事故関連情報取得部（後述する）としても機能すると共に、判定部（後述する）としても機能する。通信部１７は前記通信部１０、１４と通信可能である。   The accident information acquisition device 8 provided in the center 7 includes a control unit 16, a communication unit 17, and a storage unit 18. The control unit 16 controls the entire accident information acquisition operation, and includes a CPU, a RAM, and a ROM. In addition to this, the control unit 16 functions as an accident related information acquisition unit (described later) and also functions as a determination unit (described later). The communication unit 17 can communicate with the communication units 10 and 14.

記憶部１８はハードディスクドライブなどの大容量メモリから構成されており、取得した事故情報を記憶しておくものである。
以下、さて、前記事故情報取得システム１により実行される処理を説明する。本処理は、図２に示すように車両２ａに車両事故が発生した際に実行される処理である。なお図２は、交差点において車両同士が接触し事故が発生したところを模式的に示した図である。図２に示すように、車両事故が発生した際に、事故車両２ａが備える通信部１０の通信エリアＥの範囲内に、複数の周辺車両２ｂ、路側設備５が位置し、さらにこの通信エリアＥ外に２次周辺車両２ｃが位置しているものとする。 The storage unit 18 is composed of a large-capacity memory such as a hard disk drive, and stores the acquired accident information.
Hereinafter, processing executed by the accident information acquisition system 1 will be described. This process is a process executed when a vehicle accident occurs in the vehicle 2a as shown in FIG. FIG. 2 is a diagram schematically showing a situation where an accident occurs due to vehicles contacting each other at an intersection. As shown in FIG. 2, when a vehicle accident occurs, a plurality of surrounding vehicles 2b and roadside equipment 5 are located within the communication area E of the communication unit 10 included in the accident vehicle 2a. It is assumed that the secondary peripheral vehicle 2c is located outside.

以下、図３〜図５のフローチャート及び図６のシーケンス図を用いて事故情報取得システム１の処理の流れを説明する。なお、この場合、事故車両２ａの事故情報記録装置４（以下、事故側記録装置４ａと略称する）、周辺車両２ｂの事故情報記録装置４（以下、周辺側記録装置４ｂと略称する）、センタ７の事故情報取得装置８の制御内容を主に説明する。   Hereinafter, the process flow of the accident information acquisition system 1 will be described with reference to the flowcharts of FIGS. 3 to 5 and the sequence diagram of FIG. 6. In this case, the accident information recording device 4 of the accident vehicle 2a (hereinafter abbreviated as the accident side recording device 4a), the accident information recording device 4 of the peripheral vehicle 2b (hereinafter abbreviated as the peripheral side recording device 4b), the center 7 will mainly be described.

まず、車両事故が発生した事故車両２ａでの処理について述べる。
事故検出部３が、自車両に事故が発生したことを検出し、この検出信号は事故側記録装置４ａに入力される。これを制御部９が判断する（ステップＰ１）。そして、事故車両２ａの事故側記録装置４ａの制御部９は、車両情報取得部１２により車両情報を事故関連情報として取得する（ステップＰ２）。そして、事故側記録装置４ａの作動（撮像及び記録）を開始する（ステップＰ３）。そして、センタ７の事故情報取得装置８へ事故発生の旨を通知する（ステップＰ４）。この事故発生通知には、前記事故関連情報（自車位置情報、車両の走行方向、撮像部１１ａの撮像方向、時刻情報、自車ＩＤ情報などの各種車両情報）が含まれる。 First, processing in the accident vehicle 2a in which a vehicle accident has occurred will be described.
The accident detection unit 3 detects that an accident has occurred in the host vehicle, and this detection signal is input to the accident-side recording device 4a. The control unit 9 determines this (step P1). And the control part 9 of the accident side recording apparatus 4a of the accident vehicle 2a acquires vehicle information as accident related information by the vehicle information acquisition part 12 (step P2). Then, the operation (imaging and recording) of the accident side recording device 4a is started (step P3). Then, it notifies the accident information acquisition device 8 of the center 7 that an accident has occurred (step P4). The accident occurrence notification includes the accident related information (vehicle information such as own vehicle position information, vehicle traveling direction, imaging direction of the imaging unit 11a, time information, own vehicle ID information).

そして、周辺車両２ｂの周辺側記録装置４ｂ（及び路側設備５の事故情報記録装置６）に作動要求を通知する（ステップＰ５）。さらに、撮像装置１１で得た事故情報記録データをセンタ７の事故情報取得装置８に送信する（ステップＰ６）。
周辺側記録装置４ｂでは、当該周辺側記録装置４ｂの制御部９が図４に示すように動作する。事故側記録装置４ａから作動要求を受けると（ステップＳ１）、自車の事故関連情報を取得すると共に、記録装置の作動を開始する（ステップＳ２）。そして、センタ７の事故情報取得装置８へ作動要求が有ったことを通知する（ステップＳ３）。なお、この場合の通知内容には、事故関連情報である自車両情報（自車位置情報、車両の走行方向、撮像部１１ａの撮像方向、時刻情報、自車ＩＤ情報）も含まれる。 Then, the operation request is notified to the peripheral recording device 4b of the peripheral vehicle 2b (and the accident information recording device 6 of the roadside equipment 5) (step P5). Further, the accident information record data obtained by the imaging device 11 is transmitted to the accident information acquisition device 8 of the center 7 (step P6).
In the peripheral recording device 4b, the control unit 9 of the peripheral recording device 4b operates as shown in FIG. When an operation request is received from the accident side recording device 4a (step S1), the accident related information of the own vehicle is acquired and the operation of the recording device is started (step S2). And it notifies that there was an operation demand to accident information acquisition device 8 of center 7 (Step S3). Note that the notification content in this case also includes own vehicle information (own vehicle position information, vehicle traveling direction, imaging direction of the imaging unit 11a, time information, own vehicle ID information) that is accident-related information.

次にセンタ７の事故情報取得装置８から事故情報記録データの送信要求があれば（ステップＳ４の「ＹＥＳ」）、ユーザーが図示しない入力手段から送信許可の入力をしたか否かを判断し（ステップＳ５）、当該入力が有れば、センタ７の事故情報取得装置８へ事故情報記録データを送信する（ステップＳ６）。   Next, if there is a transmission request for accident information record data from the accident information acquisition device 8 of the center 7 (“YES” in step S4), it is determined whether or not the user has input transmission permission from an input means (not shown) ( Step S5) If there is such an input, the accident information record data is transmitted to the accident information acquisition device 8 of the center 7 (Step S6).

次にセンタ７の事故情報取得装置８では、制御部１６が図５のように動作する。なお、このセンタ７の事故情報取得装置８は、事故側記録装置４ａが作動要求をした周辺側記録装置４ｂ（及び路側設備５の事故情報記録装置６）に対して装置が作動しているかどうかを確認できるようになっている。   Next, in the accident information acquisition apparatus 8 of the center 7, the control unit 16 operates as shown in FIG. It should be noted that the accident information acquisition device 8 of the center 7 is operating with respect to the peripheral recording device 4b (and the accident information recording device 6 of the roadside facility 5) requested by the accident recording device 4a. Can be confirmed.

事故側記録装置４ａから事故発生通知を受けると（ステップＴ１）、周辺記録装置４ｂから、事故関連情報を取得する（ステップＴ２）。そして、事故車両２ａの通信エリア外に２次周辺車両２ｃとの通信を試みて、２次周辺車両２ｃとの通信が確立するか否かをもって２次周辺車両２ｃがいるか否かを判断する（ステップＴ３）。   When an accident occurrence notification is received from the accident recording device 4a (step T1), accident related information is acquired from the peripheral recording device 4b (step T2). Then, communication with the secondary surrounding vehicle 2c is attempted outside the communication area of the accident vehicle 2a, and it is determined whether or not the secondary surrounding vehicle 2c is present based on whether or not communication with the secondary surrounding vehicle 2c is established ( Step T3).

２次周辺車両２ｃがいれば、該２次周辺車両２ｃから事故情報を取得する必要性の有無を判定する（ステップＴ４）。この場合、例えば、当該２次周辺車両の走行方向が事故現場方向であれば事故情報取得の必要性が有ると判定し、事故現場から離れる方向であれば、事故情報取得の必要性はないと判定する。   If there is a secondary peripheral vehicle 2c, it is determined whether or not it is necessary to acquire accident information from the secondary peripheral vehicle 2c (step T4). In this case, for example, if the traveling direction of the secondary peripheral vehicle is the direction of the accident site, it is determined that there is a need to acquire accident information. If the direction is away from the accident site, there is no need to acquire the accident information. judge.

必要性が有ると判定した場合（ステップＴ５）には、必要性が有ると認めた２次周辺車両２ｃの事故情報記録装置４（以下２次周辺側記録装置４ｃと略称する）に対して記録装置作動要求を送信（通知）する（ステップＴ６）。この場合、撮像方向などを指定する指令などを含んでも良い。この時、２次周辺側記録装置４ｃはこの指令を受けて事故関連情報として車両情報を該センタ７の事故情報取得装置８に送信するものとする。   When it is determined that there is a necessity (step T5), the information is recorded on the accident information recording device 4 (hereinafter abbreviated as the secondary peripheral recording device 4c) of the secondary peripheral vehicle 2c that is recognized as necessary. An apparatus operation request is transmitted (notified) (step T6). In this case, a command for specifying an imaging direction or the like may be included. At this time, the secondary peripheral recording device 4c receives this command and transmits vehicle information to the accident information acquisition device 8 of the center 7 as accident related information.

そして、周辺側記録装置４ｂ及び２次周辺側記録装置４ｃからの事故関連情報から、各装置４ｂ及び４ｃで予測される事故情報記録データの必要性の有無を判定し、必要性が有ると判定された装置を、データ送信要求をする相手装置として決定する（ステップＴ７）。
そして、事故側記録装置４ａから事故情報記録データを取得し記憶する（ステップＴ８）。そして、前記決定した相手装置（周辺側記録装置４ｂ、必要と認められた２次周辺側記録装置４ｃ）に事故情報記録データ送信要求の通知をし（ステップＴ９）、該相手装置から事故情報記録データを取得し記憶する（ステップＴ１０）。 Then, from the accident related information from the peripheral recording device 4b and the secondary peripheral recording device 4c, it is determined whether or not the accident information recording data predicted by each device 4b and 4c is necessary, and it is determined that there is a necessity. The determined device is determined as a partner device that requests data transmission (step T7).
Then, the accident information recording data is acquired and stored from the accident side recording device 4a (step T8). Then, an accident information recording data transmission request is notified to the determined counterpart device (peripheral recording device 4b, secondary peripheral recording device 4c recognized as necessary) (step T9), and the accident information recording is performed from the counterpart device. Data is acquired and stored (step T10).

なお、事故車両２ａの通信エリア内に存在する路側設備５の事故情報記録装置６は、周辺車両２ｂの周辺側記録装置４ｂと同様に動作し、事故側記録装置４ａ及びセンタ７の事故情報取得装置８と同様に通信し、事故情報記録データ（これには事故時の信号の点灯色のデータを含んでも良い）をセンタ７の事故情報取得装置８に送信し、該事故情報取得装置８では、該データを取得する。但し、この路側設備５の事故情報記録装置６は事故関連情報として、自己設備の位置情報や撮像方向情報を制御部１３のメモリに記憶している。   The accident information recording device 6 of the roadside equipment 5 existing in the communication area of the accident vehicle 2a operates in the same manner as the peripheral recording device 4b of the surrounding vehicle 2b, and acquires accident information of the accident side recording device 4a and the center 7. Communication is performed in the same manner as the device 8, and accident information record data (this may include data of the lighting color of the signal at the time of the accident) is transmitted to the accident information acquisition device 8 of the center 7, and the accident information acquisition device 8 The data is acquired. However, the accident information recording device 6 of the roadside equipment 5 stores the position information of the own equipment and the imaging direction information in the memory of the control unit 13 as accident related information.

このような本実施例によれば、事故検出部３が車両事故を検出すると、事故側記録装置４ａ（車両２ａの事故情報記録装置４）が、自身で記録した事故情報の記録データを車両以外の施設であるセンタ７に設けられた事故情報取得装置８に自動的に通知するから、事故車両２ａ自体の事故情報の記録データの消失を防止できる。そして、当該事故側記録装置４ａは周辺車両２ｂが備えた周辺側記録装置４ｂに対しては作動要求を通知する。この通知を受けた周辺車両２ｂは事故情報記録動作を開始して迅速に事故情報記録を行うことになる。そして、前記センタ７の前記事故情報取得装置８は、前記作動要求通知を受けた周辺側記録装置４ｂと通信して、該周辺側記録装置４ｂから事故情報記録データを取得することができる。この結果、事故車両２ａ及び周辺車両２ｂの事故情報記録データを、センタ７に設けられた事故情報取得装置８で一括して取得でき、事故情報の収集及び取得を十分に行うことができ、事故側記録装置４ａの制御負担を軽くすることができる。   According to such a present Example, when the accident detection part 3 detects a vehicle accident, the accident side recording device 4a (accident information recording device 4 of the vehicle 2a) records the accident information recording data other than a vehicle by itself. Since the accident information acquisition device 8 provided in the center 7 is automatically notified, the loss of recorded data of the accident information of the accident vehicle 2a itself can be prevented. Then, the accident side recording apparatus 4a notifies the operation request to the peripheral recording apparatus 4b provided in the peripheral vehicle 2b. The surrounding vehicle 2b that has received this notification starts the accident information recording operation and quickly records the accident information. The accident information acquisition device 8 of the center 7 can communicate with the peripheral recording device 4b that has received the operation request notification and acquire accident information recording data from the peripheral recording device 4b. As a result, the accident information recording data of the accident vehicle 2a and the surrounding vehicle 2b can be acquired at once by the accident information acquisition device 8 provided in the center 7, and the accident information can be sufficiently collected and acquired. The control burden on the side recording device 4a can be reduced.

また、本実施例によれば、前記作動要求を受けた周辺側記録装置４ｂが、事故情報記録データをセンタ７の前記事故情報取得装置８に通知する前に、事故情報内容判定のための事故関連情報を該事故情報取得装置８に通知し、該事故情報取得装置８が、前記事故関連情報から、当該周辺側記録装置４ｂの事故情報記録データの必要性の有無を判定し、必要有りと判定されたときに、当該周辺側記録装置４ｂの事故情報データを取得する。これにより、周辺車両４ｂから事故原因検証に必要な事故情報記録データのみを取得することができる。   In addition, according to the present embodiment, before the peripheral recording device 4b that has received the operation request notifies the accident information acquisition device 8 of the center 7 of the accident information recording data, an accident for determining the accident information content is detected. Relevant information is notified to the accident information acquisition device 8, and the accident information acquisition device 8 determines whether or not the accident information recording data of the peripheral recording device 4b is necessary from the accident related information. When the determination is made, the accident information data of the peripheral recording device 4b is acquired. Thereby, only accident information record data required for accident cause verification can be acquired from the surrounding vehicle 4b.

また、本実施例においては、前記センタ７の前記事故情報取得装置８が、前記事故車両２ａの通信エリア外に他の車両（２次周辺車両２ｃ）があるか否かを判定し、該２次周辺車両２ｃが有る場合には、該２次周辺車両２ｃの事故情報記録装置４の事故情報記録データを取得するから、事故車両２ａの通信エリア外の広い範囲において、事故情報記録データを取得することが可能で、事故情報記録データの取得量を増加でき、事故原因検証にさらに有効である。   In the present embodiment, the accident information acquisition device 8 of the center 7 determines whether or not there is another vehicle (secondary peripheral vehicle 2c) outside the communication area of the accident vehicle 2a. When there is a next peripheral vehicle 2c, the accident information recording data of the accident information recording device 4 of the secondary peripheral vehicle 2c is acquired, so the accident information recording data is acquired in a wide range outside the communication area of the accident vehicle 2a. It is possible to increase the amount of accident information record data, which is more effective for accident cause verification.

この場合、前記事故情報取得装置８は、２次周辺車両２ｃの事故情報記録装置４から事故関連情報を取得し、該取得した事故関連情報から、当該事故情報記録装置４の事故情報記録データの必要性の有無を判定し、必要性有りが判定されたときに、当該事故情報記録装置４の事故情報記録データを取得するようにしたから、２次周辺車両２ｃの事故情報記録装置４から、事故原因検証に必要な事故情報記録データのみを取得することができる。   In this case, the accident information acquisition device 8 acquires accident-related information from the accident information recording device 4 of the secondary peripheral vehicle 2c, and the accident information recording data of the accident information recording device 4 is obtained from the acquired accident-related information. When the necessity information is determined, and the necessity information is determined, the accident information recording data of the accident information recording device 4 is acquired. From the accident information recording device 4 of the secondary peripheral vehicle 2c, Only accident information record data necessary for accident cause verification can be acquired.

また、本実施例によれば、車両以外に路側設備にも事故情報記録装置６が備えられているから、事故情報量の増加を図ることができる。
また、本実施例によれば、事故情報記録装置４が撮像装置１１を含み、事故情報記録データには、撮像情報記録データが含まれているから、事故情報記録データとして、事故原因検証に極めて有効な撮像情報記録データを得ることができる。なお、事故情報記録データとしては、ユーザーなどの音声入力により音声を記録し、この音声記録データを事故情報記録データとしても良い。 Moreover, according to the present Example, since the accident information recording apparatus 6 is provided also in roadside equipment other than a vehicle, the amount of accident information can be increased.
Further, according to the present embodiment, the accident information recording device 4 includes the imaging device 11, and the accident information recording data includes the imaging information recording data. Therefore, the accident information recording data is extremely useful for verifying the cause of the accident. Effective imaging information recording data can be obtained. In addition, as accident information recording data, an audio | voice is recorded by audio | voice input of a user etc., and this audio recording data is good also as accident information recording data.

また、周辺側記録装置４ｂでは、センタ７の事故情報取得装置８からのデータ送信要求をユーザーにより許可及び不許可にすることができ、利便性が向上する。
また、本実施例によれば、事故関連情報には、自車位置情報、撮像方向、自車走行方向などが含まれているから、事故情報の有効性を判定するための事故関連情報として、最適の情報を得ることができる。 Further, in the peripheral recording device 4b, the data transmission request from the accident information acquisition device 8 of the center 7 can be permitted and not permitted by the user, and convenience is improved.
Further, according to the present embodiment, the accident related information includes the own vehicle position information, the imaging direction, the own vehicle traveling direction, etc., so as accident related information for determining the effectiveness of the accident information, Optimal information can be obtained.

なお、本発明は、上記実施例に限られず、次のように変更して実施しても良い。例えば事故車両と周辺車両との位置関係や、撮像内容をもとに、撮像部の方向をセンタの事故情報取得手段により操作できるようにしても良い。多重事故防止のために、センタの事故情報取得手段は事故車両の位置関係から、周辺車両の事故情報記録手段への作動要求内容を変更したり通信強度の強化を図るようにしても良い。また、車両事故とは、自動車等の車両同士の事故だけでなく、自動車と人との接触事故等も含む。   Note that the present invention is not limited to the above-described embodiment, and may be modified as follows. For example, the direction of the imaging unit may be operated by the accident information acquisition means at the center based on the positional relationship between the accident vehicle and the surrounding vehicle and the imaging content. In order to prevent multiple accidents, the accident information acquisition means of the center may change the operation request contents to the accident information recording means of the surrounding vehicles or enhance the communication strength from the positional relationship of the accident vehicle. The vehicle accident includes not only an accident between vehicles such as an automobile but also an accident between a car and a person.

本発明の一実施例を示す事故情報取得システムの機能ブロック図Functional block diagram of an accident information acquisition system showing an embodiment of the present invention 事故発生現場の模式図Schematic diagram of the accident site 事故車両の事故情報記録装置の制御内容のフローチャートFlow chart of control content of accident information recording device for accident vehicle 周辺車両の事故情報記録装置の制御内容のフローチャートFlowchart of control contents of accident information recording device for surrounding vehicles センタの事故記録情報取得装置の制御内容のフローチャートFlow chart of control contents of center accident record information acquisition device 事故車両、周辺車両及びセンタ間での制御のシーケンスControl sequence between accident vehicle, surrounding vehicles and center

符号の説明Explanation of symbols

図面中、１は事故情報取得システム、２ａは事故車両、２ｂは周辺車両、２ｃは２次周辺車両、３は事故検出部（事故検出手段）、４は事故情報記録装置（事故情報記録手段）、５は路側設備、６は事故情報記録装置（事故情報記録手段）、７はセンタ（車両以外の設備）、８は事故情報取得装置（事故情報取得手段）、９は制御部、１０は通信部、１１は撮像装置、１２は車両情報取得部、１３は制御部、１４は通信部、１５は撮像装置、１６は制御部、１７は通信部、１８は記憶部を示す。   In the drawings, 1 is an accident information acquisition system, 2a is an accident vehicle, 2b is a surrounding vehicle, 2c is a secondary surrounding vehicle, 3 is an accident detection unit (accident detection means), and 4 is an accident information recording device (accident information recording means). 5 is roadside equipment, 6 is an accident information recording device (accident information recording means), 7 is a center (equipment other than a vehicle), 8 is an accident information acquisition device (accident information acquisition means), 9 is a control unit, and 10 is communication 11, an imaging device, 12 a vehicle information acquisition unit, 13 a control unit, 14 a communication unit, 15 an imaging device, 16 a control unit, 17 a communication unit, and 18 a storage unit.

Claims (7)

自車両の車両事故発生を検出する事故検出手段と、
車両に備えられて自車両の事故情報を記録する事故情報記録手段と、
車両以外の設備に設けられ、前記事故情報記録手段と通信可能な事故情報取得手段とを備え、
前記事故情報記録手段は、自車両の前記事故検出手段が車両事故を検出したときに、自身が記録した事故情報を前記事故情報取得手段に通知すると共に、周辺車両が備えた事故情報記録手段に作動要求を通知し、
前記周辺車両の事故情報記録手段は、前記作動要求を受けると自車の事故情報記録手段の作動を開始すると共に、前記事故情報取得手段と通信可能とし、
前記事故情報取得手段は、前記作動要求通知を受けた周辺車両の事故情報記録手段と通信して、該周辺車両の前記事故情報記録手段が記録した事故情報を取得可能であることを特徴とする事故情報取得システム。 Accident detection means for detecting the occurrence of a vehicle accident in the host vehicle,
An accident information recording means for recording accident information of the own vehicle provided in the vehicle;
Accident information acquisition means provided in equipment other than the vehicle and capable of communicating with the accident information recording means,
The accident information recording means notifies the accident information acquisition means of the accident information recorded by itself when the accident detection means of the own vehicle detects a vehicle accident, and the accident information recording means provided in the surrounding vehicle. Notify the activation request,
The accident information recording means of the surrounding vehicle starts operation of the accident information recording means of the own vehicle upon receiving the operation request, and enables communication with the accident information acquisition means.
The accident information acquisition means is capable of acquiring accident information recorded by the accident information recording means of the surrounding vehicle by communicating with the accident information recording means of the surrounding vehicle that has received the operation request notification. Accident information acquisition system. 請求項１に記載の事故情報取得システムにおいて、
前記作動要求を受けた周辺車両の事故情報記録手段は、記録した事故情報を前記事故情報取得手段に通知する前に事故情報内容判定のための事故関連情報を該事故情報取得手段に通知し、
該事故情報取得手段は、前記事故関連情報から、当該事故情報記録手段の事故情報の必要性の有無を判定し、必要有りと判定されたときに、当該周辺車両の事故情報記録手段の事故情報を取得することを特徴とする事故情報取得システム。 In the accident information acquisition system according to claim 1,
The accident information recording means of the surrounding vehicle that has received the operation request notifies the accident information acquisition means of accident-related information for determining accident information contents before notifying the accident information acquisition means of the recorded accident information,
The accident information acquisition means determines whether or not the accident information of the accident information recording means is necessary from the accident related information, and when it is determined to be necessary, the accident information of the accident information recording means of the surrounding vehicle Accident information acquisition system characterized by acquiring 請求項１又は２に記載の事故情報取得システムにおいて、
事故情報取得手段は、前記事故車両からの通信エリア外に他の車両があるか否かを判定し、該エリア外車両が有る場合には、該エリア外車両の事故情報記録手段の事故情報を取得することを特徴とする事故情報取得システム。 In the accident information acquisition system according to claim 1 or 2,
The accident information acquisition means determines whether there is another vehicle outside the communication area from the accident vehicle. If there is a vehicle outside the area, the accident information recording means of the accident information recording means of the vehicle outside the area Accident information acquisition system characterized by acquisition. 請求項３に記載の事故情報取得システムにおいて、
前記事故情報取得手段は、前記事故車両通信エリア外に他の車両があるか否かを判定し、該エリア外車両が有る場合には、該エリア外車両の事故情報記録手段から事故関連情報を取得し、該取得した事故関連情報から、当該事故情報記録手段の事故情報の必要性の有無を判定し、必要性有りが判定されたときに、当該事故情報記録手段の事故情報を取得することを特徴とする事故情報取得システム。 In the accident information acquisition system according to claim 3,
The accident information acquisition means determines whether or not there is another vehicle outside the accident vehicle communication area, and if there is a vehicle outside the area, the accident related information is obtained from the accident information recording means of the vehicle outside the area. Acquire, from the acquired accident-related information, determine whether the accident information recording means needs the accident information, and acquire the accident information of the accident information recording means when the necessity is determined Accident information acquisition system characterized by 請求項１ないし４のいずれかに記載の事故情報取得システムにおいて、
前記事故情報記録手段は撮像装置を含み、
前記事故情報記録手段が記録する事故情報には、撮像情報が含まれていることを特徴とする事故情報取得システム。 In the accident information acquisition system according to any one of claims 1 to 4,
The accident information recording means includes an imaging device,
The accident information acquisition system characterized in that the accident information recorded by the accident information recording means includes imaging information. 請求項１ないし５のいずれかに記載の事故情報取得システムにおいて、
前記事故関連情報には、自車位置情報、撮像方向、自車走行方向などが含まれていることを特徴とする事故情報取得システム。 In the accident information acquisition system according to any one of claims 1 to 5,
The accident information acquisition system characterized in that the accident related information includes own vehicle position information, imaging direction, own vehicle traveling direction, and the like. 請求項１ないし６のいずれかに記載の事故情報取得システムにおいて、
前記事故情報記録手段は、車両以外に路側設備にも備えられていることを特徴とする事故情報取得システム。 In the accident information acquisition system according to any one of claims 1 to 6,
The accident information acquisition system, wherein the accident information recording means is provided not only in the vehicle but also in the roadside equipment.
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